The cheapest times to fly from BIL to LIR are

  • January 1st to February 4th
  • April 9th to May 20th
  • early to mid July
  • August 27th to November 18th (except the week of October 8th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BIL to LIR is late October. Prices can be as high as $1801 for Sunday flights during late December, or as low as $589 for Wednesday flights around late October.


When to Fly to Liberia

Flying from Billings, MT (BIL) to Liberia (LIR) will usually cost between $600 to $1089 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $610. Due to high demand the most expensive time to fly is late December, with an average price of $1194. Planning your trip to low-cost times can easily save you $584 on economy flights and even more on first-class flights. Generally, any price below $661 can be considered a good price for a round-trip BIL to LIR flight.

See below for a graph of average weekly prices for the BIL to LIR route. All prices are for round-trip tickets in USD.

BIL to LIR Flight Prices

Compared to other flights, the BIL to LIR flight is cheaper than the average and costs less than the average flight leaving from Billings. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to LIR, and Tuesday the cheapest day to fly back into BIL. Sundays are the most expensive days to fly to Liberia, and Saturdays are the most expensive days to return to Billings. Selecting flights on the least expensive days could save you up to $127 (15%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $663. Return trip prices are from the LIR to BIL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BIL to LIR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 60 minutes may not be realistic.


Flight Questions Answered

Still have questions about flying from BIL to LIR? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Air Canada, Alaska, American, COPA, Delta, United, and potentially more during busy seasons.

How far away is it from Daniel Oduber International Airport to Billings Logan International Airport?

The distance between the two airports is roughly 2785 miles or 4482 kilometers.

How long does it take to fly from BIL to LIR?

The real-world flight time for a nonstop BIL to LIR flight is about 5 hour 60 minutes.

How many flights go between Billings, MT and Liberia?

It depends on the day of the week and the date, but a typical day might have around 23 available flights from BIL to LIR.


Airport Location Info


Departing Airport

Origination code BIL
Origination airport name Billings Logan International Airport
City Billings, MT
Country the United States
Latitude 45.8
Longitude -108.5

Return Airport

Destination code LIR
Destination airport name Daniel Oduber International Airport
City Liberia
Country Costa Rica
Latitude 10.6
Longitude -85.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.